TIL that leeches were used to predict storms. This tempest prognosticator device was made up of 12 glass bottles filled with water, each with a live leech inside. If the leeches climbed up the bottles out of the water, a bell would ring to signal that a storm was coming.

Read more: https://interestingengineering.com/scientists-used-leaches-to-predict-the-weather

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  1. > You couldn’t get 15 pounds of pizza delivered to your house at 2 AM, you couldn’t request 20 bucks from your friend that stole your t-shirt


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